National Museum of Nuclear Science & History
C. B. Proudfoot worked for the United States Engineer District Office.
John Wickersham was a military policeman and guard at Los Alamos during the Manhattan Project. His duties included patrolling the perimeter of the site on horseback.
John Butler worked for the H. K. Ferguson Company.
Victoria Porter was a laboratory technician in the Health Division of the Chicago Met Lab during the Manhattan Project.
